<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>pan</title>
    <script src="https://cdn.jsdelivr.net/npm/vue@2/dist/vue.js"></script>
</head>
<body>
    <div id=div1>
        <h1 id='h1'>{{pan}}</h1>
        <hr>
        <a :href="url">Click</a>
        <a v-if='islogin'>logined</a>
        <hr>
    </div>
    <script>
        var vu =new Vue({
            el:'#div1',
            data:{
                pan:'Vue test',
                url:"https://www.qq.com",
                islogin:false,
            },
        })
    </script>
</body>
</html>